* {
    /* 怪异盒模型 */
    box-sizing: border-box;
}

body {
    font: 12px/1.5 Microsoft YaHei;
    color: #101010;
    background-color: #f5f5f5;
}
html,body {
    margin: 0;
}
ul,li {
    margin: 0;
    padding: 0;
}
ul {
    list-style: none;
}
a {
    text-decoration: none;
    color: #101010;
}
img {
    vertical-align: top;
}
input {
    outline: none;
    border: none;
}
.clearfix::after {
    content: "";
    display: block;
    clear: both;
}
i {
    font-style: normal;
}